*{margin: 0;padding: 0;}
.box{width: 1200px;background: ##4EA115;margin: 0 auto; text-align: center;}
.main-header{height: 100px; background: #FFFF0F;}
.content{height: 500px;background: #E47915;}
.main-footer{height: 50px;background:#04F6CC;}
